| Tiempos Verbales |
| Simple Tenses | Progressive Tenses |
| (1) Present What happens? |
(4) Past Perfect What had happened? |
(7) Conditional What would happen? |
| (2) Past What happened? |
(5) Future What will happen? |
(8) Past Conditional What would have happened? |
| (3) Present Perfect What has happened? |
(6) Future Perfect What will have happened? |
(9) Modal Verbs What (can, could...) happen? |
What (can, could, should...) happen ? --- ¿ Qué (puede, podría, debería...) pasar ?
| Affirmative--------Subject + (can, could, must ...) + V1 | V1 | V2 | V3 | ||||||
| I must go to the office - Debo ir a la oficina | go | went | gone | ||||||
| You could come from Brazil - Tú podrías venir de Brasil | come | came | come | ||||||
| She should buy everything - Ella debería comprar todo | buy | bought | bought | ||||||
| They might live in Chicago - Ellos podrían vivir en Chicago | live | lived | lived | ||||||
| We can work here - Nosotros podemos trabajar aquí | work | worked | worked | ||||||
| Negative----------Subject + (can, could...) + not V1 | |||||||||
| I can not sell anything - No puedo vender nada | sell | sold | sold | ||||||
| You shouldn't do that work - Tu no deberías hacer ese trabajo | do | did | done | ||||||
| He shouldn't give the orders - Él no debería dar las órdenes | give | gave | given | ||||||
| She can not visit anybody - Ella no puede visitar a nadie | visit | visited | visited | ||||||
| They couldn't travel anywhere - Ellos no podrían viajar a ninguna parte | travel | traveled | traveled | ||||||
| Interrogative-----(can, could...) + subject + V1 ? | |||||||||
| Should I bring the beer ? - ¿ Debería traer la cerveza ? | bring | brought | brought | ||||||
| Could you take the books ? - ¿ Podrías llevar los libros ? | take | took | taken | ||||||
| What must he say ? - ¿ Qué debe decir él ? | say | said | said | ||||||
| Might she accept presents ? - ¿ Podría ella aceptar regalos ? | accept | accepted | accepted | ||||||
| Should they believe in God ? - ¿ Deberían ellos creer en Dios ? | believe | believed | believed | ||||||
Modal Verbs + To go
| Affirmative | Negative | Interrogative |
| I can go | I can not go | Can I go ? |
| I could go | I could not go | Could I go ? |
| I may go | I may not go | May I go ? |
| I might go | I might not go | Might I go ? |
| I must go | I must not go | Must I go ? |
| I should go | We should not go | Should I go ? |
©1999 Adolfo E. Bieri
Todos los Derechos Reservados
adolfo@sherton.com.ar